Fix ERC20 token value decoding (#5995)

When MetaMask user calls non-standard ERC20 methods such as `mint`, `tokenData` will be `undefined` and an uncaught error will break the UI
MetaMask · Jan 4, 2019 · dd6d323 · dd6d323
1 parent cb63e8e
commit dd6d323
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/ui/app/components/token-currency-display/token-currency-display.component.js b/ui/app/components/token-currency-display/token-currency-display.component.js
@@ -35,7 +35,7 @@ export default class TokenCurrencyDisplay extends PureComponent {
 
     let displayValue
 
-    if (tokenData.params && tokenData.params.length) {
+    if (tokenData && tokenData.params && tokenData.params.length) {
       const tokenValue = getTokenValue(tokenData.params)
       displayValue = calcTokenAmount(tokenValue, decimals).toString()
     }